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Mission load dynamic tests of two undensified Space shuttle thermal protection system tilesTwo tests of undensified Space Shuttle thermal protection tiles under combined static and dynamic loads were conducted. The tiles had a density of approximately 144 Kg/cum (LI900 tiles) and were mounted on a strain isolation pad which was 0.41 cm (.160 inch) thick. A combined static and dynamic mission stress histogram representative of the W-3 area of the wing of the orbiter vehicle was applied. The stress histogram was provided by the space shuttle project. Results presented include: tabulation of measured peak and root-mean-square (RMS) accelerations in both compression and tension; peak SIP stress in compression and tension, peak and RMS amplitude response ratios; lateral to vertical response ratios; response time histories; peak stress distributions (histograms), and SIP extension measured both with and without static tension at various mission times.
Document ID
19810019012
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Leatherwood, J. D. (NASA Langley Research Center Hampton, VA, United States)
Gowdey, J. C. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1981
Subject Category
Structural Mechanics
Report/Patent Number
NASA-TM-83148
Accession Number
81N27550
Funding Number(s)
PROJECT: RTOP 506-89-01-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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